Ship tail shaft sealing inspection equipment

Abstract

The utility model relates to the technical field of stern shaft inspection, in particular to a ship stern shaft sealing inspection device, which comprises a fixing frame, a first water tank, a second water tank, a third water tank and a fourth water tank. According to the device, a sealing box, a sealing plate, a first sealing strip, a second sealing strip, a third sealing strip, a fourth sealing strip and a stern shaft are placed in the sealing box, the sealing box is covered with the sealing plate, a limiting plate slides along a sliding groove, at the moment, the first sealing strip makes contact with the second sealing strip, a gap between the sealing plate and the sealing box is squeezed, and a completely-closed space is formed; meanwhile, after the sealing box is covered with the sealing plate, the water injection head is embedded into the through hole, the fourth sealing strip makes contact with the third sealing strip at the moment, the gap between the water injection head and the through hole can be filled, the gap between the water injection head and the through hole is avoided, and then the sealing performance testing work of the tail shaft is achieved.

Description

Technical Field

[0001] This utility model relates to the field of stern shaft inspection technology, specifically to a device for inspecting the seals of ship stern shafts. Background Technology

[0002] The stern shaft is the last section of the ship's shafting system. The fore and aft bearings of the stern shaft are usually equipped with several sealing rings, and the space between the two sealing rings is filled with oil. If the sealing of the stern shaft is compromised, oil leakage will occur.

[0003] Existing stern shaft seal testing equipment cannot achieve a full-range sealing effect when testing the stern shaft, allowing air to enter the equipment and thus reducing the quality of the stern shaft test. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a device for inspecting the sealing of ship stern shafts, which solves the problem that existing devices cannot achieve a full-range sealing effect when inspecting stern shafts, allowing air to enter the device and thus reducing the quality of stern shaft inspection.

[0006] (II) Technical Solution

[0007] To achieve the above, this utility model provides the following technical solution: a device for inspecting the seals of a ship's stern shaft, comprising a fixing frame:

[0008] A fixing frame, the bottom of which is provided with a water tank, and the top of which is embedded with a water pipe;

[0009] The fixed frame has a worktable in the middle, and cylinders are provided on both sides of the worktable. The output end of each cylinder is provided with a connecting shaft, and the other end of each connecting shaft is provided with a top plate. A sealing box is provided between the two top plates.

[0010] The top of the fixing frame is provided with a fixing plate, and the upper surface of the fixing plate is provided with a water tank second, and the top of the water tank second is embedded with a water guide pipe second;

[0011] The bottom of the fixing plate is provided with a fixing pipe, which is connected to the other end of the second water guide pipe;

[0012] The top front of the mounting bracket is equipped with a control panel;

[0013] The sealed box has fixing plates on both sides inside.

[0014] Optionally, the top two sides of the sealing box are provided with sliding grooves, and the inner walls of the two sliding grooves are provided with sealing strips. The shape of the sealing strips is consistent with the shape of the sliding grooves, which can effectively achieve the formation of a sealed space inside the sealing box when inspecting the stern shaft.

[0015] Optionally, a sealing plate is slidably provided on the outer side of the slide groove, and a limiting plate is provided on both sides of the bottom of the sealing plate. A second sealing strip is provided on the outer wall of the limiting plate. The shape of the second sealing strip is consistent with the shape of the limiting plate. The limiting plate is adapted to the slide groove, which can further achieve the sealing effect of the sealing box.

[0016] Optionally, the top of the sealing plate is provided with through holes at equal intervals, and the inner wall of each through hole is provided with a sealing strip. The shape of the sealing strip is consistent with the shape of the through hole, which can effectively achieve the sealing inspection of the stern shaft.

[0017] Optionally, the bottom of the fixed pipe is provided with a connecting pipe, and both sides of the bottom of the connecting pipe are provided with branch pipes. The bottom of each branch pipe is provided with a water injection head. The outer wall of each water injection head is provided with a sealing strip four. The diameter of the sealing strip four is the same as the diameter of the through hole. The water injection head and the through hole are adapted to effectively achieve the sealing between the sealing plate and the fixed pipe, and prevent air from entering the interior of the sealing box from the gap between them.

[0018] Optionally, the fixed plate is provided with a limiting hole in the middle, and a fixing seat is provided around the outer circle of the limiting hole. Each fixing seat is provided with an air pump at its top, and each air pump is provided with a limiting post at its output end, which can effectively achieve the fixing effect on the stern shaft.

[0019] Optionally, the other end of the water guide pipe is embedded in the bottom of the sealing box, which can effectively create a wave impact effect of water inside the sealing box, further achieving the sealing test effect of the stern shaft.

[0020] (III) Beneficial Effects

[0021] Compared with the prior art, this utility model provides a device for inspecting the stern shaft seals of ships, which has the following beneficial effects:

[0022] This utility model uses a sealing box, a sealing plate, sealing strip one, sealing strip two, sealing strip three, and sealing strip four. The stern shaft is placed inside the sealing box, and the sealing plate is placed inside the sealing box. The limiting plate slides along the sliding groove. At this time, sealing strip one and sealing strip two come into contact, squeezing the gap between the sealing plate and the sealing box to form a completely sealed space. At the same time, after the sealing plate is placed inside the sealing box, the water injection head is embedded in the through hole. At this time, sealing strip four and sealing strip three come into contact, filling the gap between the water injection head and the through hole and preventing the formation of gaps between them. Meanwhile, water tank two pours water into the fixed pipe through water guide pipe two, and then the water is introduced into the connecting pipe and the branch pipe through the fixed pipe, and then discharged into the interior of the sealing box through the water injection head, thereby achieving the work of testing the sealing performance of the stern shaft.

[0023] This invention uses a fixing plate to place the stern shaft to be tested inside a sealed box. At this time, the two fixing plates fix and limit the two ends of the stern shaft respectively, and the air pump is started to drive the limiting column to abut against the outer wall of the stern shaft, which can further achieve the effect of fixing the stern shaft and prevent the stern shaft from detaching due to the large impact of water flow during testing. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0025] Figure 2 This is a schematic diagram of the sealing box structure of this utility model;

[0026] Figure 3 This is a schematic diagram of the air column structure of this utility model;

[0027] Figure 4 This is a schematic diagram of the fixing structure of this utility model.

[0028] In the diagram: 1. Fixed frame; 101. Water tank one; 102. Water guide pipe one; 2. Workbench; 201. Cylinder; 202. Connecting shaft; 203. Top plate; 3. Sealing box; 301. Slide groove; 302. Sealing strip one; 303. Sealing plate; 304. Limiting plate; 305. Sealing strip two; 306. Through hole; 307. Sealing strip three; 4. Fixed plate; 401. Water tank two; 402. Water guide pipe two; 403. Fixed pipe; 404. Connecting pipe; 405. Branch pipe; 406. Water injection head; 407. Sealing strip four; 5. Control panel; 6. Fixed plate; 601. Limiting hole; 602. Fixed seat; 603. Air pump; 604. Limiting post. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] Example: Please refer to Figures 1 to 4 The present invention provides a technical solution: a device for inspecting the stern shaft seal of a ship, comprising a fixing frame 1.

[0031] The fixed frame 1 has a water tank 101 at its bottom and a water pipe 102 embedded in the top of the water tank 101.

[0032] A workbench 2 is provided in the middle of the fixed frame 1. Cylinders 201 are provided on both sides of the workbench 2. A connecting shaft 202 is provided at the output end of each cylinder 201. A top plate 203 is provided at the other end of each connecting shaft 202. A sealing box 3 is provided between the two top plates 203.

[0033] The top of the fixing frame 1 is provided with a fixing plate 4, and the upper surface of the fixing plate 4 is provided with a water tank 401. The top of the water tank 401 is embedded with a water pipe 402.

[0034] The bottom of the fixing plate 4 is provided with a fixing pipe 403, which is connected to the other end of the water guide pipe 402;

[0035] The top front of the mounting bracket 1 has a control panel;

[0036] The sealing box 3 has two fixing plates 6 on both sides inside. When the stern shaft needs to be sealed, the stern shaft is placed inside the sealing box 3 and the two fixing plates 6 are used to clamp and fix the two ends of the stern shaft. At the same time, water is injected into the sealing box 3 through water pipe 102 and water pipe 2402 by starting water tank 1101 and water pipe 2402, thereby achieving the sealing test of the stern shaft.

[0037] Based on the above embodiments, in this embodiment, the top two sides of the sealing box 3 are provided with sliding grooves 301. The inner walls of both sliding grooves 301 are provided with sealing strips 302, the shape of which is consistent with the shape of the sliding grooves 301. A sealing plate 303 is slidably provided on the outer side of the sliding grooves 301. Limiting plates 304 are provided on both sides of the bottom of the sealing plate 303. A second sealing strip 305 is provided on the outer wall of the limiting plate 304, the shape of which is consistent with the shape of the limiting plate 304. 304 is compatible with the slide groove 301. After the stern shaft is placed inside the sealing box 3, the sealing plate 303 is placed on top of the sealing box 3, and the limiting plate 304 slides along the slide groove 301. When the limiting plate 304 slides inside the slide groove 301, the sealing strip 1 302 and the sealing strip 2 305 come into contact. When they come into contact, the gap between the sealing plate 303 and the sealing box 3 is squeezed, so that a completely sealed space is formed between them, thereby achieving the sealing inspection of the stern shaft.

[0038] Based on the above embodiments, in this embodiment, the top of the sealing plate 303 has through holes 306 at equal intervals. The inner wall of each through hole 306 is provided with a sealing strip 307, the shape of which matches the shape of the through hole 306. The bottom of the fixing pipe 403 is provided with a connecting pipe 404, and both sides of the bottom of the connecting pipe 404 are provided with branch pipes 405. The bottom of each branch pipe 405 is provided with a water injection head 406, the outer wall of which is provided with a sealing strip 407. The diameter of the sealing strip 407 matches the diameter of the through hole 306. The water injection head 406 is compatible with the through hole 306. When performing a sealing test on the stern shaft, and when the seal... After plate 303 is placed on top of the sealing box 3, water injection head 406 is embedded in the corresponding through hole 306. When water injection head 406 is embedded, sealing strip 407 and sealing strip 307 come into contact. When they come into contact, they can fill the gap between water injection head 406 and through hole 306, preventing the formation of gaps. At the same time, water tank 2 401 pours water into fixed pipe 403 through water guide pipe 2 402, and then guides water into connecting pipe 404 and branch pipe 405 through fixed pipe 403, and then leads it out to the inside of sealing box 3 through water injection head 406, thereby achieving the sealing performance test of stern shaft.

[0039] Based on the above embodiments, in this embodiment, the fixed plate 6 is provided with a limiting hole 601 in the middle, and a fixed seat 602 is provided around the outer circle of the limiting hole 601. The top of the fixed seat 602 is provided with an air pump 603, and the output end of the air pump 603 is provided with a limiting post 604. When the stern shaft to be tested is placed inside the sealed box 3, the two fixed plates 6 respectively fix and limit the two ends of the stern shaft, and the air pump 603 is started to drive the limiting post 604 to abut against the outer wall of the stern shaft, which can further achieve the effect of fixing the stern shaft and avoid the phenomenon of the stern shaft detaching due to the large impact of water flow during testing.

Claims

1. A device for inspecting ship stern shaft seals, characterized in that, Including the mounting bracket (1): A fixing frame (1) is provided at the bottom of the fixing frame (1) with a water tank (101) and a water pipe (102) is embedded at the top of the water tank (101). The fixed frame (1) has a workbench (2) in the middle, and cylinders (201) are provided on both sides of the workbench (2). The output end of each cylinder (201) is provided with a connecting shaft (202), and the other end of each connecting shaft (202) is provided with a top plate (203). A sealing box (3) is provided between the two top plates (203). The top of the fixing frame (1) is provided with a fixing plate (4), and the upper surface of the fixing plate (4) is provided with a water tank (401). The top of the water tank (401) is embedded with a water pipe (402). The bottom of the fixing plate (4) is provided with a fixing pipe (403), and the fixing pipe (403) is connected to the other end of the water guide pipe (402); The top front of the mounting bracket (1) is provided with a control panel; The sealed box (3) has a fixing plate (6) on both sides inside.

2. The equipment for inspecting ship stern shaft seals according to claim 1, characterized in that: The top two sides of the sealed box (3) are provided with sliding grooves (301), and the inner walls of the two sliding grooves (301) are provided with sealing strips (302), the shape of the sealing strips (302) is consistent with the shape of the sliding grooves (301).

3. The equipment for inspecting ship stern shaft seals according to claim 2, characterized in that: A sealing plate (303) is slidably provided on the outer side of the slide groove (301). Limiting plates (304) are provided on both sides of the bottom of the sealing plate (303). A second sealing strip (305) is provided on the outer wall of the limiting plate (304). The shape of the second sealing strip (305) is consistent with the shape of the limiting plate (304). The limiting plate (304) is adapted to the slide groove (301).

4. The equipment for inspecting ship stern shaft seals according to claim 3, characterized in that: The top of the sealing plate (303) has through holes (306) at equal intervals, and the inner wall of each through hole (306) is provided with a sealing strip (307), the shape of which is consistent with the shape of the through hole (306).

5. The equipment for inspecting ship stern shaft seals according to claim 4, characterized in that: The bottom of the fixed pipe (403) is provided with a connecting pipe (404), and the bottom of both sides of the connecting pipe (404) is provided with branch pipes (405). The bottom of each branch pipe (405) is provided with a water injection head (406). The outer wall of each water injection head (406) is provided with a sealing strip (407). The diameter of the sealing strip (407) is the same as the diameter of the through hole (306). The water injection head (406) is adapted to the through hole (306).

6. The equipment for inspecting ship stern shaft seals according to claim 1, characterized in that: The fixed plate (6) is provided with a limiting hole (601) in the middle. A fixed seat (602) is provided around the outer circle of the limiting hole (601). An air pump (603) is provided on the top of each fixed seat (602). A limiting post (604) is provided at the output end of each air pump (603).

7. The equipment for inspecting ship stern shaft seals according to claim 1, characterized in that: The other end of the water pipe (102) is embedded in the bottom of the sealing box (3).

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